Minimizing Drilling Thrust Force for HFRP Composite by Optimizing Process Parameters using Combination of ANOVA Approach and S/N Ratios AnalysisMohd Azuwan Maoinser, Faiz Ahmad, Safian Sharif and Woo Tze KeongMATEC Web of Conferences, 13 (2014) 04002DOI: https://doi.org/10.1051/matecconf/20141304002